Path: utzoo!utgpu!watserv1!watmath!att!occrsh!uokmax!apple!usc!samsung!uunet!van-bc!sl
From: sl@van-bc.wimsey.bc.ca (Stuart Lynne)
Newsgroups: comp.protocols.tcp-ip
Subject: Re: SLIP reliability
Message-ID: <499@van-bc.wimsey.bc.ca>
Date: 16 Jun 90 19:24:33 GMT
References: <9006141305.AA22966@vax.ftp.com> <30819@cup.portal.com>
Organization: Wimsey Associates, Vancouver, B.C., Canada
Lines: 14

In article <30819@cup.portal.com> thinman@cup.portal.com (Lance C Norskog) writes:
>	2) If your SL/IP tosses packets when the hardware gives framing
>or lost-byte errors, SL/IP should be very reliable.  If you run SL/IP over
>modems, be sure to use MNP or some other error-corrected protocol.  These 
>modems are so cheap that it's pointless running on a raw one.

There are other issues. When you turn MNP on you increase (the already bad)
latency of packets traversing the link.

We run SLIP over a V.32 modem (T2500). We could turn on the reliable mode,
but find we get better performance if we don't. 

-- 
Stuart.Lynne@wimsey.bc.ca ubc-cs!van-bc!sl 604-937-7532(voice)